import random, numpy as np

a = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
b = np.arange(10)
print(a)
print(b)
c = a[0:4]
d = b[0:4]
print(c)
print(d)
c[0] = 11
d[0] = 11
print(a)
print(b)